{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["DNA", "cell line", "protein", "RNA", "cell type"], "input": "These homodimers and heterodimers show distinct DNA-binding specificities and affinities for various kappa B motifs ."}
{"DNA": ["kappa B motifs"], "cell line": [], "protein": ["homodimers", "heterodimers"], "RNA": [], "cell type": []}